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Finding the Fourth Proportional to 599,618.80, 899,687.40 and 304,130.80

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Solution

The fourth proportional to 599,618.80, 899,687.40 and 304,130.80 is: 456,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,618.80 : 899,687.40 = 304,130.80 : x
  2. Step 2: Convert to fraction form
    599,618.80/899,687.40 = 304,130.80/x
  3. Step 3: Cross multiply
    599,618.80x = 899,687.40 × 304,130.80
  4. Step 4: Simplify right side
    599,618.80x = 273,622,648,711.92
  5. Step 5: Solve for x
    x = 273,622,648,711.92/599,618.80
  6. Step 6: Final answer
    x = 456,327.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.